82542282818 has 18 divisors (see below), whose sum is σ = 124507802547. Its totient is φ = 41040969060.

The previous prime is 82542282761. The next prime is 82542282887. The reversal of 82542282818 is 81828224528.

It can be written as a sum of positive squares in only one way, i.e., 41271141409 + 41271141409 = 203153^2 + 203153^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=203153.

It is a super-2 number, since 2×82542282818² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 90605783 + ... + 90606693.

Almost surely, 2^82542282818 is an apocalyptic number.

82542282818 is a deficient number, since it is larger than the sum of its proper divisors (41965519729).

82542282818 is an frugal number, since it uses more digits than its factorization.

82542282818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270 (or 1136 counting only the distinct ones).

The product of its digits is 1310720, while the sum is 50.

Multiplying 82542282818 by its sum of digits (50), we get a square (4127114140900 = 2031530²).

The spelling of 82542282818 in words is "eighty-two billion, five hundred forty-two million, two hundred eighty-two thousand, eight hundred eighteen".